.container {
    width: 100%;
    height: 100%;
    background: url("http://47.99.130.140/imgs/wallhaven-e7zyy8.jpg") no-repeat;
}

.main {
    background-color: white;
    margin-top: 150px;
    height: 300px;
    padding: 50px;
    border-radius: 10px;
}